Home / 52,175,806.16-77,912,358.82-42,610,160.72

Finding the Fourth Proportional to 52,175,806.16, 77,912,358.82 and 42,610,160.72

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Solution

The fourth proportional to 52,175,806.16, 77,912,358.82 and 42,610,160.72 is: 63,628,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175,806.16 : 77,912,358.82 = 42,610,160.72 : x
  2. Step 2: Convert to fraction form
    52,175,806.16/77,912,358.82 = 42,610,160.72/x
  3. Step 3: Cross multiply
    52,175,806.16x = 77,912,358.82 × 42,610,160.72
  4. Step 4: Simplify right side
    52,175,806.16x = 3,319,858,131,394,509
  5. Step 5: Solve for x
    x = 3,319,858,131,394,509/52,175,806.16
  6. Step 6: Final answer
    x = 63,628,305.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.